Hexagram 21 噬嗑 changing to hexagram 13 同人
Changing lines (counted from the bottom): 3, 5.
What to read
Two changing lines: read both line texts of the original hexagram; the upper one is the main one. (Rule set out by Zhu Xi in the Yixue qimeng.)
Hexagram 21 噬嗑, line 5
噬乾肉，得黃金，貞厲，无咎。
The fifth line, divided, shows one gnawing at dried flesh, and finding the yellow gold. Let him be firm and correct, realising the peril (of his position). There will be no error.
Hexagram 21 噬嗑, line 3
噬昔肉，遇毒；小吝，无咎。
The third line, divided, shows one gnawing dried flesh, and meeting with what is disagreeable. There will be occasion for some small regret, but no (great) error.
The two hexagrams
Hexagram 21 噬嗑 — judgment
亨。利用獄。
Shih Ho indicates successful progress (in the condition of things which it supposes). It will be advantageous to use legal constraints.
Hexagram 13 同人 — judgment
同人于野，亨。 利涉大川，利君子貞。
Thung Zăn (or 'Union of men') appears here (as we find it) in the (remote districts of the) country, indicating progress and success. It will be advantageous to cross the great stream. It will be advantageous to maintain the firm correctness of the superior man.
The changing lines of hexagram 21
| Line | Chinese | Legge |
|---|---|---|
| 3 | 噬昔肉，遇毒；小吝，无咎。 | The third line, divided, shows one gnawing dried flesh, and meeting with what is disagreeable. There will be occasion for some small regret, but no (great) error. |
| 5 | 噬乾肉，得黃金，貞厲，无咎。 | The fifth line, divided, shows one gnawing at dried flesh, and finding the yellow gold. Let him be firm and correct, realising the peril (of his position). There will be no error. |
English: James Legge (1882), public domain. Chinese: Zhou Yi.
Data: English Wikisource (Public domain texts; transcription CC BY-SA 4.0); Chinese Wikisource (Public domain texts; transcription CC BY-SA 4.0). Retrieved 2026-10-22.